" 最终测试
echo 'Start'

let numbers = [1, 2, 3]
echo 'Numbers:', numbers

for i in numbers
    echo 'Number:', i
endfor

let fruits = ['a', 'b']
echo 'Fruits:', fruits

for fruit in fruits
    echo 'Fruit:', fruit
endfor

let matrix = [[1, 2], [3, 4]]
echo 'Matrix:', matrix

for row in matrix
    echo 'Row:', row
    for element in row
        echo 'Element:', element
    endfor
endfor

echo 'End'